Filed by sheriff-o-matic@appspot.gserviceaccount.com on behalf of horo@google.com

browser_tests failing on chromium.win/Win10 Tests x64

Builders failed on: 
- Win10 Tests x64: 
  https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Win10%20Tests%20x64

https://logs.chromium.org/logs/chromium/buildbucket/cr-buildbucket.appspot.com/8926843721008009616/+/steps/browser_tests_on_Windows-10-15063/0/logs/BrowserTestWithProfileShortcutManager.WindowProperties/0
[ RUN      ] BrowserTestWithProfileShortcutManager.WindowProperties
[5568:4788:1217/172721.843:WARNING:chrome_browser_main_win.cc(658)] Command line too long for RegisterApplicationRestart:  --cfi-diag=0 --disable-gpu-process-for-dx12-vulkan-info-collection --gtest_also_run_disabled_tests --gtest_filter=BrowserTestWithProfileShortcutManager.WindowProperties --single_process --test-launcher-bot-mode --test-launcher-output="C:\b\s\w\itjwqqga\scoped_dir220_13108\results220_5073\test_results.xml" --test-launcher-summary-output="C:\b\s\w\ioghwkj2\output.json" --user-data-dir="C:\b\s\w\itjwqqga\scoped_dir220_13108\d220_22084" --disable-offline-auto-reload --enable-profile-shortcut-manager --no-first-run --no-default-browser-check --enable-logging=stderr --disable-default-apps --wm-window-animations-disabled --disable-component-update --test-type=browser --force-color-profile=srgb --disable-zero-browsers-open-for-tests --browser-test --ipc-connection-timeout=30 --allow-file-access-from-files --dom-automation --log-gpu-control-list-decisions --disable-backgrounding-occluded-windows --disable-gl-drawing-for-tests --override-use-software-gl-for-tests --force-color-profile=srgb --disable-compositor-ukm-for-tests --enable-features=TestFeatureForBrowserTest1 --disable-features=TestFeatureForBrowserTest2,WebRTC-H264WithOpenH264FFmpeg --disable-gpu-process-for-dx12-vulkan-info-collection --flag-switches-begin --flag-switches-end --file-url-path-alias="/gen=C:\b\s\w\ir\out\Release_x64\gen" --restore-last-session about:blank
[5568:6464:1217/172721.969:WARNING:discovery_network_list_win.cc(195)] Failed to open Wlan client handle: 1062
../../chrome/browser/ui/views/frame/browser_window_property_manager_browsertest_win.cc(71): error: Expected equality of these values:
  VT_LPWSTR
    Which is: 31
  prop_var.get().vt
    Which is: 0
Stack trace:
Backtrace:
	testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop [0x00007FF77E427697+87]
	testing::internal::AssertHelper::operator= [0x00007FF77E42721E+78]
	BrowserTestWithProfileShortcutManager_WindowProperties_Test::RunTestOnMainThread [0x00007FF77E073046+1494]
	BrowserTestWithProfileShortcutManager_WindowProperties_Test::RunTestOnMainThread [0x00007FF77E072ACD+93]
	content::BrowserTestBase::ProxyRunTestOnMainThreadLoop [0x00007FF78055B8CD+445]
	ChromeBrowserMainParts::PreMainMessageLoopRunImpl [0x00007FF7813B752A+4650]
	ChromeBrowserMainParts::PreMainMessageLoopRun [0x00007FF7813B6243+147]
	content::BrowserMainLoop::PreMainMessageLoopRun [0x00007FF77EEE0A16+54]
	content::StartupTaskRunner::RunAllTasksNow [0x00007FF77F22437B+43]
	content::BrowserMainLoop::CreateStartupTasks [0x00007FF77EEDF7FB+587]
	content::BrowserMainRunnerImpl::Initialize [0x00007FF77EEE2AFB+107]
	content::BrowserMain [0x00007FF77EEDDCAC+156]
	content::RunBrowserProcessMain [0x00007FF7800F21DF+111]
	content::ContentMainRunnerImpl::RunServiceManager [0x00007FF7800F2CCA+762]
	content::ContentMainRunnerImpl::Run [0x00007FF7800F299E+238]
	service_manager::Main [0x00007FF780D392B7+551]
	content::ContentMain [0x00007FF7800F210E+62]
	content::BrowserTestBase::SetUp [0x00007FF78055B5D4+1796]
	InProcessBrowserTest::SetUp [0x00007FF7803A4C1D+429]

Received fatal exception EXCEPTION_ACCESS_VIOLATION
Backtrace:
	wcslen [0x00007FF784129E73+115] (o:\fake\prefix\minkernel\crts\ucrt\src\appcrt\string\strnlen.cpp:218)
	std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t> >::_Equal [0x00007FF77D5685D4+20]
	testing::internal::CmpHelperEQ<std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t> >,wchar_t * __ptr64> [0x00007FF77E074D0A+42]
	BrowserTestWithProfileShortcutManager_WindowProperties_Test::RunTestOnMainThread [0x00007FF77E07310C+1692]
	BrowserTestWithProfileShortcutManager_WindowProperties_Test::RunTestOnMainThread [0x00007FF77E072ACD+93]
	content::BrowserTestBase::ProxyRunTestOnMainThreadLoop [0x00007FF78055B8CD+445]
	ChromeBrowserMainParts::PreMainMessageLoopRunImpl [0x00007FF7813B752A+4650]
	ChromeBrowserMainParts::PreMainMessageLoopRun [0x00007FF7813B6243+147]
	content::BrowserMainLoop::PreMainMessageLoopRun [0x00007FF77EEE0A16+54]
	content::StartupTaskRunner::RunAllTasksNow [0x00007FF77F22437B+43]
	content::BrowserMainLoop::CreateStartupTasks [0x00007FF77EEDF7FB+587]
	content::BrowserMainRunnerImpl::Initialize [0x00007FF77EEE2AFB+107]
	content::BrowserMain [0x00007FF77EEDDCAC+156]
	content::RunBrowserProcessMain [0x00007FF7800F21DF+111]
	content::ContentMainRunnerImpl::RunServiceManager [0x00007FF7800F2CCA+762]
	content::ContentMainRunnerImpl::Run [0x00007FF7800F299E+238]
	service_manager::Main [0x00007FF780D392B7+551]
	content::ContentMain [0x00007FF7800F210E+62]
	content::BrowserTestBase::SetUp [0x00007FF78055B5D4+1796]
	InProcessBrowserTest::SetUp [0x00007FF7803A4C1D+429]
	testing::Test::Run [0x00007FF77E42C1E0+112]
	testing::TestInfo::Run [0x00007FF77E42CBC2+226]
	testing::TestCase::Run [0x00007FF77E42D142+258]
	testing::internal::UnitTestImpl::RunAllTests [0x00007FF77E434ACE+638]
	testing::UnitTest::Run [0x00007FF77E434795+165]
	base::TestSuite::Run [0x00007FF7803B8BB6+118]
	ChromeTestSuiteRunner::RunTestSuite [0x00007FF7840D6EC8+56]
	content::LaunchTests [0x00007FF780574BF7+407]
	LaunchChromeTests [0x00007FF7840D7352+306]
	main [0x00007FF7840D6E44+132]
	__scrt_common_main_seh [0x00007FF7840FC8B8+268] (f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:283)
	BaseThreadInitThunk [0x00007FFEA0662774+20]
	RtlUserThreadStart [0x00007FFEA0AD0D51+33]